Alert archive / Mesoscale Discussions / 2011
Mesoscale Discussions in the United States, June 2011
410 mesoscale discussions in June 2011. Each alert counts once, however many counties it covered. The archive of mesoscale discussions reaches back to 2003.
Mesoscale Discussions by state
Each state shaded by its count. Tap a state for its own archive.
- Mesoscale Discussions
- 410
- Busiest day
- June 20, 201124 mesoscale discussions
Over time
By day
Days in UTC, the clock the archive keeps.
By state
Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.
- Texas327
- Missouri324
- Oklahoma309
- Arkansas294
- Kansas284
- Illinois247
- Nebraska229
- Mississippi225
- Virginia225
- Tennessee223
- North Carolina218
- Kentucky201
- Alabama200
- Indiana199
- Ohio195
- Georgia189
- Pennsylvania184
- South Dakota180
- Louisiana169
- West Virginia163
- South Carolina162
- Iowa153
- New York143
- Minnesota135
- Wisconsin129
- Maryland126
- Florida122
- North Dakota121
- Michigan116
- Colorado113
- New Jersey81
- Montana79
- Wyoming68
- Massachusetts62
- New Hampshire61
- Vermont60
- Maine52
- Delaware51
- Connecticut50
- New Mexico30
Nearby
Alerts in force nowThe tornado archiveThe radar archive20102012
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.